“Palmdale Sheriff’s station personnel responded to an ‘aircraft accident’ call in the area of [the] 30500 block of Briggs Road, Agua Dulce,” the sheriff’s news release states. The area is about four miles from Agua Dulce Air Park, a mile southeast of the Agua Dulce Road interchange on the Antelope Valley (14) Freeway.

Deputies responded to the crash site and discovered the wreckage of a small plane crash with four dead inside, including at least one child, according to the sheriff’s department.

No further information on the fatal plane crash was immediately available Sunday afternoon.

The crash is being investigated by the National Transportation Safety Board and the Federal Aviation Administration.

UPDATED 2.12.18: According to media reports, a cousin identified the victims to reporters at the scene as Thomas Hastings, 65, who piloted the plane, his daughter Amber Hill, 27, her husband, Jacob Hill, 25 and Hastings granddaughter Madison Hastings Saxelby, 9. The plane was described as a Cirrus VK-30. Jake Hastings, 30, told KCAL that his father built the plane in the family’s Winnetka garage, and the family was on it “pretty much every day. An hour or so, here, there.”